19900965448

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{4231}}^1$

素因数の和:4348

約数の個数: 144

約数和(自身を含む): 47675511360

約数和(自身を除く): 27774545912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 71, 91, 98, 104, 142, 169, 182, 196, 284, 338, 364, 392, 497, 568, 637, 676, 728, 923, 994, 1183, 1274, 1352, 1846, 1988, 2366, 2548, 3479, 3692, 3976, 4231, 4732, 5096, 6461, 6958, 7384, 8281, 8462, 9464, 11999, 12922, 13916, 16562, 16924, 23998, 25844, 27832, 29617, 33124, 33848, 45227, 47996, 51688, 55003, 59234, 66248, 83993, 90454, 95992, 110006, 118468, 167986, 180908, 207319, 220012, 236936, 300401, 335972, 361816, 385021, 414638, 440024, 587951, 600802, 671944, 715039, 770042, 829276, 1175902, 1201604, 1430078, 1540084, 1658552, 2102807, 2351804, 2403208, 2695147, 2860156, 3080168, 3905213, 4205614, 4703608, 5005273, 5390294, 5720312, 7810426, 8411228, 10010546, 10780588, 14719649, 15620852, 16822456, 20021092, 21561176, 27336491, 29439298, 31241704, 35036911, 40042184, 50767769, 54672982, 58878596, 70073822, 101535538, 109345964, 117757192, 140147644, 191355437, 203071076, 218691928, 280295288, 355374383, 382710874, 406142152, 710748766, 765421748, 1421497532, 1530843496, 2487620681, 2842995064, 4975241362, 9950482724, 19900965448]

約数ペア:

[(1, 19900965448), (2, 9950482724), (4, 4975241362), (7, 2842995064), (8, 2487620681), (13, 1530843496), (14, 1421497532), (26, 765421748), (28, 710748766), (49, 406142152), (52, 382710874), (56, 355374383), (71, 280295288), (91, 218691928), (98, 203071076), (104, 191355437), (142, 140147644), (169, 117757192), (182, 109345964), (196, 101535538), (284, 70073822), (338, 58878596), (364, 54672982), (392, 50767769), (497, 40042184), (568, 35036911), (637, 31241704), (676, 29439298), (728, 27336491), (923, 21561176), (994, 20021092), (1183, 16822456), (1274, 15620852), (1352, 14719649), (1846, 10780588), (1988, 10010546), (2366, 8411228), (2548, 7810426), (3479, 5720312), (3692, 5390294), (3976, 5005273), (4231, 4703608), (4732, 4205614), (5096, 3905213), (6461, 3080168), (6958, 2860156), (7384, 2695147), (8281, 2403208), (8462, 2351804), (9464, 2102807), (11999, 1658552), (12922, 1540084), (13916, 1430078), (16562, 1201604), (16924, 1175902), (23998, 829276), (25844, 770042), (27832, 715039), (29617, 671944), (33124, 600802), (33848, 587951), (45227, 440024), (47996, 414638), (51688, 385021), (55003, 361816), (59234, 335972), (66248, 300401), (83993, 236936), (90454, 220012), (95992, 207319), (110006, 180908), (118468, 167986)]